#B53D45#B53D45

#B53D45 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.155 H 20.3°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B53D45
RGB	rgb(181, 61, 69)
HSL	hsl(356, 50%, 47%)
HSV	hsv(356, 66%, 71%)
CMYK	cmyk(0%, 66.3%, 61.9%, 29%)
CIE-LAB	lab(43.64, 48.98, 22.32)
CIE-LCH	lch(43.64, 53.82, 24.50°)
OKLab	oklab(53.31% 0.1453 0.0539)
OKLCH	oklch(53.31% 0.155 20.3)
XYZ	xyz(21.8011, 13.5939, 7.1050)
Luminance	0.1359 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53D45 #3DB5AD

analogous

#B53D81 #B53D45 #B5713D

triadic

#B53D45 #45B53D #3D45B5

tetradic

#B53D45 #81B53D #3DB5AD #713DB5

square

#B53D45 #81B53D #3DB5AD #713DB5

split-complementary

#B53D45 #3DB571 #3D81B5

monochromatic

#591E22 #872E34 #B53D45 #CB646B #DA9297

Accessibility & contrast

On white

5.65

#B53D45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B53D45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53D45

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53D45	#FFFFFF	#000000	##FFFFFF
##B53D45	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5744

Deuteranopia (green-blind)

#7A7142

Tritanopia (blue-blind)

#C62241

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53d45;
/* rgb */ color: rgb(181, 61, 69);
/* oklch */ color: oklch(53.3% 0.155 20.3);

Tailwind

colors: {
  custom: {
    50: '#d27978',
    500: '#b53d45',
    950: '#000000',
  },
}

SCSS

$custom: #b53d45;
$custom-light: #d27978;
$custom-dark: #000000;

JSON

{
  "hex": "#b53d45",
  "rgb": {
    "r": 181,
    "g": 61,
    "b": 69
  },
  "hsl": {
    "h": 356,
    "s": 49.587,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53313,
    "c": 0.15501,
    "h": 20.3
  },
  "luminance": 0.13591
}

Semantic roles & 50–950 ramp

primary

#B53D45

secondary

#88C5C1

accent

#D9D04F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B53D45

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →